18499000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1423}}^1$

素因数の和:1457

約数の個数: 64

約数和(自身を含む): 46650240

約数和(自身を除く): 28151240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1423, 1625, 2600, 2846, 3250, 5692, 6500, 7115, 11384, 13000, 14230, 18499, 28460, 35575, 36998, 56920, 71150, 73996, 92495, 142300, 147992, 177875, 184990, 284600, 355750, 369980, 462475, 711500, 739960, 924950, 1423000, 1849900, 2312375, 3699800, 4624750, 9249500, 18499000]

約数ペア:

[(1, 18499000), (2, 9249500), (4, 4624750), (5, 3699800), (8, 2312375), (10, 1849900), (13, 1423000), (20, 924950), (25, 739960), (26, 711500), (40, 462475), (50, 369980), (52, 355750), (65, 284600), (100, 184990), (104, 177875), (125, 147992), (130, 142300), (200, 92495), (250, 73996), (260, 71150), (325, 56920), (500, 36998), (520, 35575), (650, 28460), (1000, 18499), (1300, 14230), (1423, 13000), (1625, 11384), (2600, 7115), (2846, 6500), (3250, 5692)]